<%# Link showing slice number
  - available local variables
    slice:          a slice object for "this" slice
    url:            url to this slice
    current_slice:  a slice object for the currently displayed slice
    slice_number:   total number of slices
    remote:         data-remote
-%>
<span class="slice<%= ' current' if slice.current? %>">
  <%= link_to_unless slice.current?, slice, url, opts = {:remote => remote, :rel => slice.next? ? 'next' : slice.prev? ? 'prev' : nil} %>
</span>